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SubjectRe: PIIX4: DMA timeout issue
gshan wrote:
> Hello, I sent mails on this issue before, but nobody made response.
> There are 2 types of board for me. The hardware configuration for
> those 2 boards are almost same except that one of them has 100GB
> harddisk, and another type of board has 60GB harddisk. All harddisk
> was access through PIIX4. I found this issue on board with 60GB
> disk, but can't reproduce it on that with 100GB disk.
>
> When I uncompressed a large file (600MB) to a logic partition with 8GB
> size, following errors was report on middle way (5 minutes about from
> start).
> Anybody has ideas?
>
> hdc: dma_timer_expiry: dma status == 0x21
> hdc: DMA timeout error
> hdc: dma timeout error: status=0x58 { DriveReady SeekComplete DataRequest }
> ide: failed opcode was: unknown
> hdc: DMA disabled
> ide1: reset: success

Can you try disabling the IDE driver (CONFIG_IDE) and enabling the newer
libata driver? (CONFIG_ATA)

Jeff






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